Home / 374,964.16-517,451.28-205,209.04

Finding the Fourth Proportional to 374,964.16, 517,451.28 and 205,209.04

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Solution

The fourth proportional to 374,964.16, 517,451.28 and 205,209.04 is: 283,188.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,964.16 : 517,451.28 = 205,209.04 : x
  2. Step 2: Convert to fraction form
    374,964.16/517,451.28 = 205,209.04/x
  3. Step 3: Cross multiply
    374,964.16x = 517,451.28 × 205,209.04
  4. Step 4: Simplify right side
    374,964.16x = 106,185,680,415.57
  5. Step 5: Solve for x
    x = 106,185,680,415.57/374,964.16
  6. Step 6: Final answer
    x = 283,188.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.